Puff Daddy launched his sold-out ‘Bad Boy Family Reunion’ tour last night at New York’s Barclays Center. Billed were Lil’ Kim, Faith Evans, Ma$e, 112 and French Montana. To turn things up a notch, Diddy brought out JAY Z to perform “Public Service Announcement (Interlude)” off of 2003′s The Black Album. This was his first performance since Beyonce shared her latest album Lemonade. Watch Puffy bring out JAY Z below.